| //===- AArch64LegalizerInfo --------------------------------------*- C++ -*-==// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// This file declares the targeting of the Machinelegalizer class for |
| /// AArch64. |
| /// \todo This should be generated by TableGen. |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H |
| #define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H |
| |
| #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h" |
| #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h" |
| #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" |
| #include "llvm/CodeGen/MachineRegisterInfo.h" |
| |
| namespace llvm { |
| |
| class LLVMContext; |
| class AArch64Subtarget; |
| |
| /// This class provides the information for the target register banks. |
| class AArch64LegalizerInfo : public LegalizerInfo { |
| public: |
| AArch64LegalizerInfo(const AArch64Subtarget &ST); |
| |
| bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI) const override; |
| |
| bool legalizeIntrinsic(LegalizerHelper &Helper, |
| MachineInstr &MI) const override; |
| |
| private: |
| bool legalizeVaArg(MachineInstr &MI, MachineRegisterInfo &MRI, |
| MachineIRBuilder &MIRBuilder) const; |
| bool legalizeLoadStore(MachineInstr &MI, MachineRegisterInfo &MRI, |
| MachineIRBuilder &MIRBuilder, |
| GISelChangeObserver &Observer) const; |
| bool legalizeShlAshrLshr(MachineInstr &MI, MachineRegisterInfo &MRI, |
| MachineIRBuilder &MIRBuilder, |
| GISelChangeObserver &Observer) const; |
| |
| bool legalizeSmallCMGlobalValue(MachineInstr &MI, MachineRegisterInfo &MRI, |
| MachineIRBuilder &MIRBuilder, |
| GISelChangeObserver &Observer) const; |
| bool legalizeVectorTrunc(MachineInstr &MI, LegalizerHelper &Helper) const; |
| bool legalizeBitfieldExtract(MachineInstr &MI, MachineRegisterInfo &MRI, |
| LegalizerHelper &Helper) const; |
| bool legalizeRotate(MachineInstr &MI, MachineRegisterInfo &MRI, |
| LegalizerHelper &Helper) const; |
| bool legalizeCTPOP(MachineInstr &MI, MachineRegisterInfo &MRI, |
| LegalizerHelper &Helper) const; |
| bool legalizeAtomicCmpxchg128(MachineInstr &MI, MachineRegisterInfo &MRI, |
| LegalizerHelper &Helper) const; |
| bool legalizeCTTZ(MachineInstr &MI, LegalizerHelper &Helper) const; |
| const AArch64Subtarget *ST; |
| }; |
| } // End llvm namespace. |
| #endif |